3.2UNIT3FascinatingParksLearningaboutLanguageDiscoverUsefulStructure(课件)高二英语（人教版2019选择性）

选择性必修一Unit3FASCINATINGPARKSLearningaboutLanguage&DiscoverUsefulStructure内蒙古阿拉善左旗第一中学常敏学习目标1.通过查找关键词，辨别词义及构词形式。2.通过在话题语境中使用话题词汇，进一步理解单元主题，说出国家公园建立的意义。3.通过观察、分析、梳理例句，获取-ing作主语表达的意义，并在语境中恰当运用。BuildupyourvocabularyBuildupyourvocabulary1.Matcheachwordwithitspropermeaningandmakeasentencewithit.()1.buffet

v.()2.buffet

n.()3.edge

v.()4.edge

n.()5.ban

v.()6.ban

n.()7.remote

adj.()8.remote

n.theouterlimitofanobjectanofficialorlegalprohibitionamealwithseveraldishesfromwhichpeopleservethemselvesmovecarefullytowardssomethingfarfrom,notcloseofficiallyorlegallyprohibit(especiallyofwindorwave)strikerepeatedlywithalotofforce(informal)adeviceforcontrollingsomethingelsefromadistanceFAHGEDCB2.Workoutthemeaningsoftheunderlinedwordsinthesentencesbelow

and

statewhethertheyarecompoundsorderivatives.Therearetwo

primarywaysthatwordsareformedin

English.Derivativesarewordsthatare“derived”

(come)fromotherwordsorword

roots,usuallybytheadditionofprefixes

orsuffixes.Compoundsarewordsthatare

createdwhentwoormorewordsarejoined

together.Revisiondisliketeacherinternationalblackboardsilkwormbreakthrough1.Ibelievethatajournalistshouldbecompletelyobjective.2.WheneverIsneeze,myEnglishteachersays,“Blessyou!”3.Weareimpressedbythevastnessandbreathtakingbeautyoftheoceans.4.Heboughtatraditionalteasetattheairport:aniceteapotandfourteacups.5.Heorderedthedishlabelled“PumpkinPieandIceCream”.compoundderivativederivativecompoundderivativecompound思考：CanyoufindotherexamplesofderivativeandcompoundwordsfromthewordlistorthetextFindatleast5foreach.compound3.Completethepassagebelowwiththecorrectformsofthewordsinthebox.boundary

visible

remote

vast

onthemove

ban

setupTheNortheastTigerandLeopardNationalParkwas______inJilinandHeilongjiang,with_________stretchingallthewaytotheborderandjoiningwithRussia’swildlifereserves.

This_______newparkisnearlyfourtimeslargerthantheoldwildlifeparkprotecting

SiberiantigersinNortheastChina.Overtheyears,increaseddevelopmentintheareaaffected

thetigers’habitat,anditwasthoughtthatby1998therewereonlysixtoninewildSiberian

tigerslivinginthe________region.However,a____ondevelopmentputinplace

in2015resultedina_______populationincreaseofthespecies,andnowtheareais

thoughttohaveabout35tigersand70leopards.Theproblem,however,wasthattheold

parkwastoosmalltosupportfurtherpopulationincreases.Always___________,Siberian

tigersandleopardsneedlargeareastohuntforfood.Thislargerpark,withaconnectionto

Russia’swildlifereservesacrosstheborder,shouldgivethesespeciesthenaturalspacethey

needtolivein.setupboundariesvastremotebanvisibleonthemoveDiscoverusefulstructuresDiscoverusefulstructures

Gettinghereisquitedifficult.

Beingin

suchabeautifulandwildplacemakesmefeelblessedtobealive.

AnalyzingIdentifythefunctionofthe-ingforminthesentencesbelow.subjectsubject描述具体的行为，谓语动词是“is”。描述具体的行为，谓语动词是“makes”。Thenfindmoresentenceswiththe-ingformfromthereadingpassageandstatetheirfunctions.Iwakeuptothesoundofthewindbuffetingtheclothofmytent.Eventhoughthesunisbrightlyshining,tellingwhetheritismorningornight

isimpossible.Checkingmywatch,Iseethatitis7:30a.m.Spreadingoutbeforeme,branchesoftheRapaRiverflowthroughthevalleybelow.adverbial

AnalyzingattributesubjectadverbialForhundredsofyears,lookingafterreindeer

wasawayoflifefortheSami.Buteveryspring,asmallnumberofSamistillfollowtheirreindeerintothevalleysofSarek,livingintentsoroldcottagesandenjoyingtheirtraditions.Forexample,thismorningmybreakfastisflatbreadwarmedoverafire,driedreindeermeat,andsomesweetandsourberriesthatIfoundgrowingnearmytent.HereIam,aloneunderthisbroadsky,breathingthefreshair,and

enjoyingthisgreatadventure.

AnalyzingsubjectadverbialscomplementadverbialsMoreexamplesHikingthroughthemountainsinthepathlessSarekischallengingyetreallyfascinating.--Itis

challenging

yetreallyfascinatingtohikethroughthemountainsinthepathlessSarek.1.Studyingabroadisbothchallengingandrewarding.--Itisbothchallengingandrewardingtostudyabroad.Summary-ing在句中可作定语、主语、状语和宾语补足语等，但依然保持着动词的性质，如后面可跟宾语或者带有副词性修饰语。-ing作主语时可改写成为it作形式主语的句子。Doing…isadj.Itisadj.todoPractice11.ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.2.Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.3.Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.4.Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.用it做形式主语前置、不定式做主语，后置时句子侧重于表语部分，强调行为的特征状态或给人的感受。-ing形式作主语前置时，句子则侧重于主语部分，强调行为本身的具体内容。动词-ing形式作主语1.动词-ing形式作主语，表示一般或抽象的习惯性行为，动词-ing有时态和语态的变化，单个的动词-ing做主语谓语动词用单数。如：

Readingaloudis

veryimportantforustolearnaforeignlanguage.Tips注意Deliveringnewspaperishisjob.

Todelivernewspaperishisjobtoday.动名词做主语表示一般的，抽象的行为不定式做主语表示一次性的，具体的行为

两个或两个以上的动词-ing短语作主语时，如果表示一件事，谓语动词用单数；如果表示两件或多件事情，谓语动词用复数。

Goingtobedearlyandgettingupearly

goodforourhealth.

早起早睡是一件事Drawingandplayingfootball

whatItookinterestinasateenager.

画画和踢足球是两件事

isare2.在一些句子中，常用it作形式主语放在句首，而把真正的主语放到句末。如：

Itisnousecryingoverspiltmilk.

覆水难收Itis/wasawasteoftimedoing…做……是浪费时间的Itis/wasnogood/usedoing…做……是没益/用处的Itis/wasworth/worthwhiledoing…做……是值得的Itis/washardly/scarcelyworthdoing…做……不值得Thereisnosenseindoing…

做……没有道理常用-ing形式作主语的句型有：3.动词-ing的复合结构做主语时，通常有两种形式：①形容词性物主代词+动词-ing

②名词所有格+动词-ing他们前来帮忙对我们来说是极大的鼓舞。Theircomingtohelpwasagreatencouragementtous.迈克回来工作对我们来说是一大帮助。Mike’sreturningtoworkisagreathelptous.动词-ing的时态和语态

1.

动词-ing通常有以下几种变化形式（以do为例）

语态时态主动语态被动语态一般式doingbeingdone完成式havingdonehavingbeendone2.动词-ing的时态意义1）动词-ing的一般式多用于表示一般情况，或所表示的动作通常与谓语动词动作几乎同时发生，或发生在谓语动词动作之后。Ienjoylisteningtoclassicalmusic.Wehadagoodtimeindancingwiththem.Weareconsideringbuyinganewcar.一般情况同时稍后3.动词-ing的时态意义2）动词-ing的完成式所表示的动作发生在谓语动词动作之前。Jackwaspraisedforhavingdoneagooddeed.杰克因为做件好事而受到表扬。4.动词-ing的语态动词-ing的主动式表示的是它的逻辑主语是动作的执行者。动词-ing的被动式表示的是它的逻辑主语是动作的承受者。Heinsistedonsendinghertohospital.Sorry,Ididn’tmeantolosemytemper.Ijustcan’tstandbeingmisunderstood.执行者承受者Practice2coveringCombiningtakingwalkingexperiencinggrowinglimitinggrowingFurtherexplorationWhatmakesXixinationalParkthe“greenlungsofHangzhou”.IsitpossibletodevelopandpreservenatureatthesametimeTips:Whenansweringthequestions,pleasetrytouse–ingformassubjectorotherelementsinthesentence.Trytofindsomecluefromthetextbook.RevisionforintroducingaparkMainpoin